C++ Track Management

This page provides the Exercism community with the information and tools needed to manage the C++ track.

Students
142,432
Submissions
1,879,861
Mentoring Discussions
13,246

The C++ track needs attention ⚠️

Building

C++ syllabus

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Help create the track syllabus: is a set of concepts and learning exercises put together to teach foundational elements of the programming language.

Next goal: Create a complete syllabus with at least 20 concepts. Find out more.
19 concepts being taught
In
Includes
8,151 learnt
St
Strings
8,151 learnt
Ba
Basics
14,910 learnt
Nu
Numbers
6,047 learnt
Na
Namespaces
9,674 learnt
Bo
Booleans
10,006 learnt
Co
Comparisons
5,139 learnt
If
If Statements
5,139 learnt
Ar
Arrays and Vectors
3,058 learnt
Lo
Loops
4,214 learnt
Cl
Classes
3,584 learnt
Re
References
2,363 learnt
En
Enumerations
2,651 learnt
Sw
Switch Statements
2,651 learnt
He
Headers
1,727 learnt
Fu
Functions
1,212 learnt
Au
Auto
277 learnt
Sm
Smart Pointers
277 learnt
Po
Pointers
534 learnt
15 active learning exercises
Started
Attempts
Completions
Mentoring requests
Log Levels Log Levels
11,769
85,885 (avg. 7.3)
8,151 (69.3%)
221 (1.9%)
Lasagna Lasagna
20,718
86,400 (avg. 4.2)
14,910 (72.0%)
252 (1.2%)
Freelancer Rates Freelancer Rates
6,886
59,308 (avg. 8.6)
6,047 (87.8%)
75 (1.1%)
Last Will Last Will
11,708
65,499 (avg. 5.6)
9,674 (82.6%)
128 (1.1%)
Pacman Rules Pacman Rules
11,003
58,833 (avg. 5.3)
10,006 (90.9%)
112 (1.0%)
Vehicle Purchase Vehicle Purchase
5,436
34,804 (avg. 6.4)
5,139 (94.5%)
45 (0.8%)
Making the Grade Making the Grade
3,705
61,164 (avg. 16.5)
3,058 (82.5%)
99 (2.7%)
Interest is interesting Interest is interesting
4,554
33,102 (avg. 7.3)
4,214 (92.5%)
45 (1.0%)
Ellen's Alien Game Ellen's Alien Game
3,916
29,098 (avg. 7.4)
3,584 (91.5%)
49 (1.3%)
Election Day Election Day
2,620
28,822 (avg. 11.0)
2,363 (90.2%)
42 (1.6%)
Troll the Trolls Troll the Trolls
2,939
27,945 (avg. 9.5)
2,651 (90.2%)
66 (2.2%)
Doctor Data Doctor Data
2,201
30,967 (avg. 14.1)
1,727 (78.5%)
42 (1.9%)
lasagna-master lasagna-master
1,442
19,508 (avg. 13.5)
1,212 (84.0%)
22 (1.5%)
Power of Troy Power of Troy
365
4,594 (avg. 12.6)
277 (75.9%)
4 (1.1%)
Speedywagon Foundation Speedywagon Foundation
659
5,953 (avg. 9.0)
534 (81.0%)
7 (1.1%)

Practice Exercises

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Practice Exercises are exercises designed to allow students to solve an arbitrary problem, with the aim of them making use of the concepts they have learned so far.

Synced primary repo: 0b9f7eed972172dd081a0c9f867cf1e4eab18273 (Updates should be instant)

Next goal: Implement 138 practice exercises. Find out more.
82 active practice exercises
Started
Attempts
Completions
Mentoring requests
Hello World Hello World
106,871
284,941 (avg. 2.7)
54,962 (51.4%)
12 (0.0%)
Leap Leap
24,334
102,015 (avg. 4.2)
12,840 (52.8%)
2,536 (10.4%)
Reverse String Reverse String
13,922
90,709 (avg. 6.5)
8,988 (64.6%)
1,515 (10.9%)
Space Age Space Age
8,932
69,265 (avg. 7.8)
4,375 (49.0%)
1,149 (12.9%)
Triangle Triangle
6,051
43,341 (avg. 7.2)
3,624 (59.9%)
777 (12.8%)
Grains Grains
4,178
28,772 (avg. 6.9)
3,339 (79.9%)
606 (14.5%)
Raindrops Raindrops
7,601
53,277 (avg. 7.0)
6,166 (81.1%)
658 (8.7%)
Pangram Pangram
3,386
24,447 (avg. 7.2)
2,698 (79.7%)
495 (14.6%)
Two-Fer Two-Fer
3,156
12,727 (avg. 4.0)
2,615 (82.9%)
88 (2.8%)
Grade School Grade School
3,434
31,997 (avg. 9.3)
2,227 (64.9%)
235 (6.8%)
Hamming Hamming
4,931
14,619 (avg. 3.0)
3,999 (81.1%)
367 (7.4%)
Nucleotide Count Nucleotide Count
3,377
17,712 (avg. 5.2)
2,505 (74.2%)
282 (8.4%)
RNA Transcription RNA Transcription
2,656
13,640 (avg. 5.1)
2,180 (82.1%)
174 (6.6%)
Collatz Conjecture Collatz Conjecture
2,217
10,235 (avg. 4.6)
1,870 (84.3%)
56 (2.5%)
Difference of Squares Difference of Squares
3,851
12,802 (avg. 3.3)
3,367 (87.4%)
183 (4.8%)
Nth Prime Nth Prime
2,507
17,067 (avg. 6.8)
1,674 (66.8%)
141 (5.6%)
Queen Attack Queen Attack
2,150
17,225 (avg. 8.0)
1,412 (65.7%)
116 (5.4%)
Sieve Sieve
2,092
12,263 (avg. 5.9)
1,682 (80.4%)
133 (6.4%)
Say Say
1,754
15,538 (avg. 8.9)
968 (55.2%)
124 (7.1%)
Gigasecond Gigasecond
3,004
6,353 (avg. 2.1)
2,053 (68.3%)
257 (8.6%)
Secret Handshake Secret Handshake
1,449
7,614 (avg. 5.3)
1,182 (81.6%)
52 (3.6%)
Allergies Allergies
2,513
18,525 (avg. 7.4)
1,621 (64.5%)
95 (3.8%)
Protein Translation Protein Translation
1,603
10,692 (avg. 6.7)
1,330 (83.0%)
58 (3.6%)
Sum of Multiples Sum of Multiples
1,787
6,843 (avg. 3.8)
1,372 (76.8%)
73 (4.1%)
Prime Factors Prime Factors
1,601
6,585 (avg. 4.1)
1,297 (81.0%)
51 (3.2%)
Robot Name Robot Name
1,705
11,893 (avg. 7.0)
1,178 (69.1%)
118 (6.9%)
Clock Clock
1,273
7,771 (avg. 6.1)
730 (57.3%)
54 (4.2%)
Meetup Meetup
991
3,744 (avg. 3.8)
548 (55.3%)
25 (2.5%)
Beer Song Beer Song
1,053
6,616 (avg. 6.3)
798 (75.8%)
35 (3.3%)
Atbash Cipher Atbash Cipher
2,264
36,108 (avg. 15.9)
1,683 (74.3%)
111 (4.9%)
Trinary Trinary
1,989
13,984 (avg. 7.0)
1,727 (86.8%)
42 (2.1%)
Binary Search Binary Search
1,286
9,487 (avg. 7.4)
881 (68.5%)
42 (3.3%)
Phone Number Phone Number
1,170
6,184 (avg. 5.3)
837 (71.5%)
42 (3.6%)
Series Series
905
3,906 (avg. 4.3)
703 (77.7%)
24 (2.7%)
Complex Numbers Complex Numbers
1,167
6,980 (avg. 6.0)
727 (62.3%)
26 (2.2%)
Food Chain Food Chain
1,024
3,170 (avg. 3.1)
737 (72.0%)
28 (2.7%)
Roman Numerals Roman Numerals
944
3,691 (avg. 3.9)
701 (74.3%)
24 (2.5%)
Bob Bob
3,167
23,032 (avg. 7.3)
2,553 (80.6%)
275 (8.7%)
Word Count Word Count
1,500
6,186 (avg. 4.1)
1,132 (75.5%)
93 (6.2%)
Circular Buffer Circular Buffer
965
7,579 (avg. 7.9)
562 (58.2%)
45 (4.7%)
Crypto Square Crypto Square
784
5,863 (avg. 7.5)
524 (66.8%)
22 (2.8%)
ETL ETL
1,469
3,651 (avg. 2.5)
1,193 (81.2%)
43 (2.9%)
Matching Brackets Matching Brackets
1,294
8,353 (avg. 6.5)
1,036 (80.1%)
37 (2.9%)
Anagram Anagram
1,640
5,042 (avg. 3.1)
1,271 (77.5%)
97 (5.9%)
Binary Search Tree Binary Search Tree
1,188
6,054 (avg. 5.1)
389 (32.7%)
46 (3.9%)
Luhn Luhn
1,613
17,555 (avg. 10.9)
1,313 (81.4%)
64 (4.0%)
Acronym Acronym
1,036
4,528 (avg. 4.4)
797 (76.9%)
30 (2.9%)
Armstrong Numbers Armstrong Numbers
1,606
7,452 (avg. 4.6)
1,400 (87.2%)
34 (2.1%)
Binary Binary
1,308
4,954 (avg. 3.8)
1,047 (80.0%)
84 (6.4%)
Hexadecimal Hexadecimal
1,554
7,576 (avg. 4.9)
1,321 (85.0%)
79 (5.1%)
Isogram Isogram
2,517
4,898 (avg. 1.9)
1,617 (64.2%)
100 (4.0%)
Pascal's Triangle Pascal's Triangle
909
3,408 (avg. 3.7)
698 (76.8%)
25 (2.8%)
Perfect Numbers Perfect Numbers
402
2,551 (avg. 6.3)
338 (84.1%)
6 (1.5%)
Scrabble Score Scrabble Score
1,258
3,622 (avg. 2.9)
966 (76.8%)
90 (7.2%)
All Your Base All Your Base
899
5,299 (avg. 5.9)
607 (67.5%)
48 (5.3%)
Robot Simulator Robot Simulator
1,297
5,245 (avg. 4.0)
739 (57.0%)
54 (4.2%)
Bank Account Bank Account
669
2,901 (avg. 4.3)
329 (49.2%)
38 (5.7%)
Darts Darts
2,199
14,309 (avg. 6.5)
1,948 (88.6%)
31 (1.4%)
Largest Series Product Largest Series Product
371
2,520 (avg. 6.8)
283 (76.3%)
10 (2.7%)
ISBN Verifier ISBN Verifier
522
3,780 (avg. 7.2)
401 (76.8%)
13 (2.5%)
Linked List Linked List
234
2,163 (avg. 9.2)
133 (56.8%)
10 (4.3%)
Simple Linked List Simple Linked List
702
5,657 (avg. 8.1)
439 (62.5%)
19 (2.7%)
High Scores High Scores
633
5,250 (avg. 8.3)
562 (88.8%)
12 (1.9%)
Eliud's Eggs Eliud's Eggs
759
3,045 (avg. 4.0)
688 (90.6%)
12 (1.6%)
Diamond Diamond
220
1,697 (avg. 7.7)
170 (77.3%)
4 (1.8%)
Run-Length Encoding Run-Length Encoding
242
2,594 (avg. 10.7)
190 (78.5%)
5 (2.1%)
Rotational Cipher Rotational Cipher
787
5,836 (avg. 7.4)
703 (89.3%)
15 (1.9%)
Resistor Color Resistor Color
258
1,439 (avg. 5.6)
210 (81.4%)
4 (1.6%)
Resistor Color Duo Resistor Color Duo
236
1,088 (avg. 4.6)
197 (83.5%)
2 (0.8%)
Minesweeper Minesweeper
201
1,184 (avg. 5.9)
133 (66.2%)
2 (1.0%)
Sublist Sublist
164
1,314 (avg. 8.0)
106 (64.6%)
4 (2.4%)
Zebra Puzzle Zebra Puzzle
151
669 (avg. 4.4)
62 (41.1%)
5 (3.3%)
List Ops List Ops
190
2,071 (avg. 10.9)
110 (57.9%)
4 (2.1%)
Knapsack Knapsack
146
1,165 (avg. 8.0)
89 (61.0%)
2 (1.4%)
Two Bucket Two Bucket
140
906 (avg. 6.5)
73 (52.1%)
2 (1.4%)
Yacht Yacht
187
1,829 (avg. 9.8)
131 (70.1%)
0 (0.0%)
Kindergarten Garden Kindergarten Garden
561
4,723 (avg. 8.4)
423 (75.4%)
14 (2.5%)
D&D Character D&D Character
254
1,715 (avg. 6.8)
165 (65.0%)
2 (0.8%)
Spiral Matrix Spiral Matrix
162
1,063 (avg. 6.6)
98 (60.5%)
4 (2.5%)
Parallel Letter Frequency Parallel Letter Frequency
196
888 (avg. 4.5)
102 (52.0%)
5 (2.6%)
Pig Latin Pig Latin
184
1,579 (avg. 8.6)
92 (50.0%)
4 (2.2%)
Rail Fence Cipher Rail Fence Cipher
126
1,008 (avg. 8.0)
72 (57.1%)
3 (2.4%)
56 unimplemented practice exercises
Affine Cipher Affine Cipher
Alphametics Alphametics
Baffling Birthdays Baffling Birthdays
Book Store Book Store
Bottle Song Bottle Song
Bowling Bowling
Change Change
Connect Connect
Conway's Game of Life Conway's Game of Life
Custom Set Custom Set
Dominoes Dominoes
DOT DSL DOT DSL
Error Handling Error Handling
Flatten Array Flatten Array
Forth Forth
Go Counting Go Counting
Grep Grep
Hangman Hangman
House House
Intergalactic Transmission Intergalactic Transmission
Killer Sudoku Helper Killer Sudoku Helper
Ledger Ledger
Lens Person Lens Person
Markdown Markdown
Matrix Matrix
Micro Blog Micro Blog
OCR Numbers OCR Numbers
PaaS I/O PaaS I/O
Palindrome Products Palindrome Products
Poker Poker
POV POV
Proverb Proverb
Pythagorean Triplet Pythagorean Triplet
Rational Numbers Rational Numbers
React React
Rectangles Rectangles
Relative Distance Relative Distance
Resistor Color Trio Resistor Color Trio
REST API REST API
Saddle Points Saddle Points
Satellite Satellite
SGF Parsing SGF Parsing
Simple Cipher Simple Cipher
Split-Second Stopwatch Split-Second Stopwatch
Square Root Square Root
State of Tic-Tac-Toe State of Tic-Tac-Toe
Strain Strain
Swift Scheduling Swift Scheduling
Tournament Tournament
Transpose Transpose
Tree Building Tree Building
Twelve Days Twelve Days
Variable Length Quantity Variable Length Quantity
Word Search Word Search
Wordy Wordy
Zipper Zipper
1 foregone practice exercise
Point Mutations Point Mutations

Programming Tags

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Help manage the tags used to group, filter and recommend solutions, approaches and articles.

0 tags

Test Runner

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Create Test Runners that have the single responsibility of taking a solution, running all tests and returning a standardized output.

Current version: fa924a0b0728c894eacbeabe6b9656ec62416b66 (Takes up to 10 mins to deploy)

Total Test Runner Runs
1,841,379
Test Run Pass Rate
16.4% (302319)
Test Run Fail Rate
24.6% (453168)
Test Run Error Rate
59.0% (1085892)

Representer

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Build a Representer: a bit of code that has the single responsibility of taking a solution and returning a normalized representation of it.

Current version: 29eab0a802586f7bc346f598a1ca98a74deb7547 (Takes up to 10 mins to deploy)

Total Representer Runs
321,979
Total Representation Comments Made
55,408
Feedback Given Frequency
17.2%

Analyzer

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Build an Analyzer for C++: Exercism's analyzers automatically assess student's submissions and provide mentor-style commentary.

Next goal: Build an Analyzer. Find out more.